﻿using System.Security.Cryptography;
using System.Text;

namespace Raffles.OA.Utility
{
    /// <summary>
    /// SHA1加密
    /// </summary>
    public class SHA1Helper
    {
        /// <summary>
        /// SHA1加密
        /// </summary>
        /// <param name="InputString"></param>
        /// <returns></returns>
        public static string sha1(string InputString)
        {
            SHA1 sha1Hash = SHA1.Create();

            // Convert the input string to a byte array and compute the hash.
            byte[] data = sha1Hash.ComputeHash(Encoding.UTF8.GetBytes(InputString));

            // Create a new Stringbuilder to collect the bytes
            // and create a string.
            StringBuilder sBuilder = new StringBuilder();

            // Loop through each byte of the hashed data 
            // and format each one as a hexadecimal string.
            for (int i = 0; i < data.Length; i++)
            {
                sBuilder.Append(data[i].ToString("x2"));
            }

            // Return the hexadecimal string.
            return sBuilder.ToString();
        }
    }
}
